Message ID | 20210225193543.2920532-7-suzuki.poulose@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=D5+S=H3=lists.infradead.org=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@kernel.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76A78C433E6 for <linux-arm-kernel@archiver.kernel.org>; Thu, 25 Feb 2021 19:38:09 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 091EC64F18 for <linux-arm-kernel@archiver.kernel.org>; Thu, 25 Feb 2021 19:38:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 091EC64F18 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ZpH29HNH7i65G0acjnOo+ZC/xn/4FQBEVANXvK4TQLw=; b=JWq7KvDjhKLRvjwZR/g4Kt5HU zruR90cSnsuPZXJecUdABnBgTY7acHADxW9OVTO1LifD//6amVEzd+cKrq4r9FIQuBwTy3GMvlZ8q yi2s7NlJF+wD4G2iZ0tKpJwKQc0FJ/PuIoeLR69/Id6+BjZU4edmuROKxtIXro+9jYrx9GYhxvYz3 C8/pJdJgghwqJ+nUapyxDHctRP0yOF0KCn2zrMmc3UkLsXdXy3JUNCwcrLXN2GOZoyNcVOM3OMrF5 i6ir/MUWZ2pT53V+ZdGpHrHRV/Z2GB11h0wLqzsHk3QHoLU384DktW0HmIrdouGZDHskDunTKpmrj TaPmi4+Vw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1lFMRE-0000Rz-RN; Thu, 25 Feb 2021 19:36:40 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1lFMQj-0000BX-QX for linux-arm-kernel@lists.infradead.org; Thu, 25 Feb 2021 19:36:11 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 657311424; Thu, 25 Feb 2021 11:36:08 -0800 (PST) Received: from ewhatever.cambridge.arm.com (ewhatever.cambridge.arm.com [10.1.197.1]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 217323F70D; Thu, 25 Feb 2021 11:36:07 -0800 (PST) From: Suzuki K Poulose <suzuki.poulose@arm.com> To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 06/19] arm64: Add support for trace synchronization barrier Date: Thu, 25 Feb 2021 19:35:30 +0000 Message-Id: <20210225193543.2920532-7-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20210225193543.2920532-1-suzuki.poulose@arm.com> References: <20210225193543.2920532-1-suzuki.poulose@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210225_143609_981536_256EEA7F X-CRM114-Status: GOOD ( 11.92 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: mathieu.poirier@linaro.org, anshuman.khandual@arm.com, Catalin Marinas <catalin.marinas@arm.com>, Suzuki K Poulose <suzuki.poulose@arm.com>, Will Deacon <will.deacon@arm.com>, linux-kernel@vger.kernel.org, leo.yan@linaro.org, mike.leach@linaro.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
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arm64: coresight: Add support for ETE and TRBE
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diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h index c3009b0e5239..5a8367a2b868 100644 --- a/arch/arm64/include/asm/barrier.h +++ b/arch/arm64/include/asm/barrier.h @@ -23,6 +23,7 @@ #define dsb(opt) asm volatile("dsb " #opt : : : "memory") #define psb_csync() asm volatile("hint #17" : : : "memory") +#define tsb_csync() asm volatile("hint #18" : : : "memory") #define csdb() asm volatile("hint #20" : : : "memory") #define spec_bar() asm volatile(ALTERNATIVE("dsb nsh\nisb\n", \
tsb csync synchronizes the trace operation of instructions. The instruction is a nop when FEAT_TRF is not implemented. Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> --- New patch, split from the TRBE driver for ease of merging --- arch/arm64/include/asm/barrier.h | 1 + 1 file changed, 1 insertion(+)